Helianthus Pictures

Launch Helianthus. Note antenna wire - outfitted for radio acoustic ranging. Gasoline launch, length...Disk flowers - Disk 1-1.5cm broad in flower, up to 2cm long in fruit. Flowers yellow. Corolla tube...This is a picture of the same plant in peak flower in mid-June. Sunflowers are prolific breeders,...leaf--just like the heads, the leaves are huge too!Leaf base.The Helianthus are also known as Sunflowers . The tall variety is a very stately plant, suitable for...this head has been completely pollinated--the ray corollas will soon fall off and each disk flower...Family - Asteraceae Stems :Price Image Find Similar More by contributor Find in same category Share Comment Sunflower,...habitInflorescence - Single flower head terminating axillary and branches. Peduncles antrorse strigose,...If butterflies are in short supply, the same cannot be said for bees and wasps who are still busily...The shaded areas on the map indicates where the genus has been observed in the United States. Click...Helianthus annuus , as the name implies, is an annual species of sunflower. Thus, the young plants...Flowering - June - September. Habitat - Woodlands, roadsides. Origin - Native to North America....Ray flowers - 8-9 flower per head, sterile. Ligule yellow, oblong, 2.5-3cm long, to 1cm broad,...Family - Asteraceae Stems - Erect, herbaceous but stout, from stout thickened roots, to +2m tall,......and had grown to approximately 7 feet tall by late May!アメリカの南部が原産で、テキサス州やフロリダ州、ノースカロライナアメリカ中部のグレートプレーンズ（Great Plaines）が原産です。わがPrice Image Find Similar More by contributor Find in same category Share Comment Sunflower,...Show Larger PictureSunflower(Helianthus annuus)stem showing hairs--these hairs make the stems feel extremely coarse (the leaves also feel coarse)Helianthus Botanica Series: H-PWelcome I’m an amateur wildflower and native plant enthusiast. I have property in Northeast Arkansas...Root.Helianthus maximiliani Helianthus maximiliani , Sunflower, (Compositea, the Composite Family), 0.5-3...head--sunflower heads are large! do you see the stamens on the open disk flowers (they are the black...北アメリカの中西部からメキシコが原産です。１６世紀には、すでにヨ